What question did this study set out to answer?

To investigate the violent squalls in Adelaide on 13 May 1965 and their possible tornadic origins.

February 5, 2026

Tornadic squalls in Adelaide on 13th May 1965

Key Points

To investigate the violent squalls in Adelaide on 13 May 1965 and their possible tornadic origins.
Review of eyewitness reports and structural damage at multiple locations
Analysis of the synoptic situation before and during the squalls
Assessment of temperature profiles and wind distributions.
Considerable structural damage recorded at four locations in Adelaide.
Eyewitness accounts suggest the presence of tornadic activity at three sites.
Changes in the vertical temperature profile indicated instability prior to the squalls.

Abstract

Violent squalls on 13 May 1965 we reresponsible for considerable structural damage at four well-separated locations in the Adelaide metropolitan area. Eyewitness reports indicated that the squalls at three of the sites were tornadic, but did not conclusively prove whether one or more than one tornado was responsible. The synoptic situation is discussed, and it seems that the vertical temperature profile at the time of the squalls may have changed appreciably from the convectively stable sounding at Adelaide Airport only two hours previously. The upper wind distribution suggests that the tornadoes may have formed in the region of low level relative inflow on the left-rear of the storm.

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